—I’d like to make an appointment with Doctor Smith. Would 9:00 tomorrow be all right?— . Her schedule is full in the morning.
Please give me a call ______ you arrive in New York.
I don't mind her criticizing me, but ______ is how she does it that I object to.
As a global financial center, Hong Kong serves as the ______ role in the course of Renminbi internationalization.
There is a ______ going on in America public schools over the best way to teach English to foreign students.
—Can I go out to play, Mom? —You can ______ you stay in the garden.